Hi Marco,
On Mar 2, 2010, at 10:02 AM, Marco Atzeri wrote:
> --- Mar 2/3/10, Raymond Lu ha scritto:
>
>> Marco,
>>
>> You're probably right. It's a rounding issue.
>> What system and compiler
>> were you using? I'll need the output from the
>> configure and the
>> src/H5Tinit.c file from your build directory to look at
>> it. Thanks.
>>
>> Ray
>
> attached.
>
> $ gcc --version
> gcc (GCC) 4.3.4 20090804 (release) 1
> Copyright (C) 2008 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions. There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
> on cygwin-1.7
What compiler flags are you using?
Quincey
>> Marco Atzeri wrote:
>>> I presume it is a rounding issue
>>>
>>>
>> -------------------------------------------------------
>>> Testing soft unsigned long long -> long double
>> conversions
>> *FAILED*
>>> elmt 126:
>>> src = ff
>> ff ff ff ff ff ff ff
>>
>> 18446744073709551615
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> ff 18446744073709551615.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 127:
>>> src = ff
>> ff ff ff ff ff ff fe
>>
>> 18446744073709551614
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> fe 18446744073709551614.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 128:
>>> src = ff
>> ff ff ff ff ff ff fc
>>
>> 18446744073709551612
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> fc 18446744073709551612.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 129:
>>> src = ff
>> ff ff ff ff ff ff f8
>>
>> 18446744073709551608
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> f8 18446744073709551608.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 130:
>>> src = ff
>> ff ff ff ff ff ff f0
>>
>> 18446744073709551600
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> f0 18446744073709551600.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 131:
>>> src = ff
>> ff ff ff ff ff ff e0
>>
>> 18446744073709551584
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> e0 18446744073709551584.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 132:
>>> src = ff
>> ff ff ff ff ff ff c0
>>
>> 18446744073709551552
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> c0 18446744073709551552.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 133:
>>> src = ff
>> ff ff ff ff ff ff 80
>>
>> 18446744073709551488
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> 80 18446744073709551488.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 134:
>>> src = ff
>> ff ff ff ff ff ff 00
>>
>> 18446744073709551360
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff ff
>> 00 18446744073709551360.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 135:
>>> src = ff
>> ff ff ff ff ff fe 00
>>
>> 18446744073709551104
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff fe
>> 00 18446744073709551104.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> elmt 136:
>>> src = ff
>> ff ff ff ff ff fc 00
>>
>> 18446744073709550592
>>> dst = 00
>> 00 40 3e ff ff ff ff ff ff fc
>> 00 18446744073709550592.000000
>>> ans = 00
>> 00 40 3f 80 00 00 00 00 00 00
>> 00 18446744073709551616.000000
>>> ***** 12 FAILURES! *****
>>> Command exited with non-zero status 1
>>> ----------------------------------------------------
>>>
>>> other platforms where this happen ?
>>>
>>> Regards
>>> Marco
>
>
>
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